BricklayingDemolition worksDoors and gatesDry constructionElectrical installationFaçade worksGarden and landscape constructionHeatingJoinery worksNatural stone worksPainting worksPlasteringTiles and panelsVentilationWindows
Air conditioningBuilding technology/ building services (building automation)Communication technologyElectrical installationHeatingSafety technologyVentilation